Is MM a valid Scrabble word?

Yes. MM is valid in Collins Scrabble Words 2024, the word list used for Scrabble in the UK.

What MM means

• noun - Abbreviation of month, in two-digit numeric format, as in: dd/mm/yyyy.
• interjection - Alternative form of mmm.

Definitions come from Wiktionary via kaikki.org, shortened to fit, and are used under CC BY-SA 4.0.

Gramlet is a daily word game played with the same Collins list. Play today's board.